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Enhancing Histological Visualization of Tooth and Bone Ground Sections Using Terminalia chebula Stain: A Comparative
Sangeetha Ramu1, Yashika S Shinde1, Vidyadevi Chandavarkar2
1Department of Oral and Maxillofacial Pathology, Dayananda Sagar College of Dental Sciences, Rajiv Gandhi University of Health Sciences, Bengaluru, India, rguhs.ac.in.
Thescientificworldjournal
|June 18, 2026
Summary
Terminalia chebula extract effectively stains tooth and bone ground sections, enhancing contrast and visualization of microstructures. This natural stain shows promise for dental histology teaching and research.
Area of Science:
- Histology
- Biomaterials Science
- Natural Product Chemistry
Background:
- Ground sections of mineralized tissues (tooth, bone) are crucial for histological studies.
- Unstained sections offer limited contrast, obscuring microscopic details.
- Natural plant-based stains offer safer, cost-effective alternatives to synthetic dyes.
Purpose of the Study:
- Evaluate the staining efficacy of Terminalia chebula (T. chebula) on tooth and bone ground sections.
- Compare stained vs. unstained sections for contrast, structural detail, and observer acceptance.
- Assess staining under stereomicroscope and compound microscope.
Main Methods:
- Prepared thin ground sections (~50 μm) from 40 human teeth and 40 bone samples.
- Stained sections with T. chebula extract for 4 hours.
- Evaluated photomicrographs by blinded experts for contrast, detail, and acceptance.
Main Results:
- T. chebula significantly improved contrast in tooth sections (p < 0.001), enhancing visualization of enamel rods, dentinal tubules, and cementum.
- Bone sections showed improved contrast under stereomicroscopy; unstained sections had higher contrast under compound microscopy.
- Structural detail improvements were more pronounced in tooth sections. Observer acceptance was higher for stained tooth sections (p < 0.001).
Conclusions:
- T. chebula stain enhances contrast and microstructural visualization in tooth ground sections.
- It serves as a potential economical adjunct for dental histology teaching and research.
- Further studies needed to optimize protocols and assess broader applicability, especially for bone specimens.
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